Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2022 Subaru Ascent BaseFACTORY OEM SERVICE PROCEDURE
Fuel Pressure Sensor: Installation
- Replace fuel injector seal, support disc and O-ring with new parts. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DOTC)>Fuel Injector>REPLACEMENT .
- Set the holder to the fuel injector, and install it straight to the fuel injector pipe RH.CAUTION:
- Always use a new holder and fuel injector pipe RH.
- Degrease inside of the fuel injector insertion hole of the fuel injector pipe.
- Check the inside of the fuel injector insertion hole of the fuel injector pipe for foreign materials or damage.
- Be careful not to allow gasoline to contact with the fuel injector seal and the inside of the mounting hole.
- Apply liquid paraffin to the O-ring and install it.
- In order to prevent damaging the O-ring, do not install the fuel injector to the fuel injector pipe by tilting or twisting it.
- Make sure there is no gap between the fuel injector pipe and the fuel injector holder.
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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